If apps aren't proven to make users' mental health better they could end up making it worse.

While nutrient supplementation can have a role in treating certain psychiatric disorders, all kinds of nutrients should, in the first instance, be consumed as part of a balanced wholefood diet.
PROPatrick Feller/FlickrOctober 12, 2015

A growing body of research points to the detrimental effect of unhealthy diets and the protective value of healthy diets – along with select nutritional supplements as required – for maintaining and promoting mental health.

Scott Morrison’s comments may have sparked ire in some corners, but there’s good research supporting his statement.
AAP Image/Mick TsikasJuly 1, 2015